What is the most punctual flight time for Seoul to Seattle flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Seoul Gimpo Intl to Seattle/Tacoma Intl?

EVA Air and Japan Airlines are the most popular carriers operating from Seoul Gimpo Intl to Seattle/Tacoma Intl

How often are flights from Seoul to Seattle delayed?

Historically, on average around 0% of flights between Seoul and Seattle have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.

How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$431 Cheap Flights from Seoul Gimpo Intl Airport to Seattle in 2026

Find the cheapest flights from Seoul Gimpo Intl Airport to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:50 pm - 7:20 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 30m1 stop Taipei City Sung Shan

1:30 am - 6:10 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

24h 40m1 stop Taipei City Taiwan Taoyuan Intl

$1,004EVA Air

Fri, Oct 2 - Sun, Oct 11

1:50 pm - 7:40 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 50m1 stop Taipei City Sung Shan

12:30 am - 12:50 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

20h 20m1 stop Taipei City Taiwan Taoyuan Intl

$1,017EVA Air

Sat, Sep 12 - Thu, Sep 24

12:40 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,175ANA

Thu, Oct 1 - Mon, Oct 12

12:40 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,176ANA

Wed, Oct 7 - Thu, Oct 22

7:40 am - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,177ANA

Mon, Sep 21 - Mon, Sep 28

12:40 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,178ANA

Wed, Oct 7 - Thu, Oct 22

7:40 am - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 52m2 stops Tokyo Haneda Vancouver Intl

10:10 am - 10:30 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

20h 20m2 stops Vancouver Intl Tokyo Haneda

$1,180ANA

Wed, Sep 16 - Mon, Oct 26

12:40 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 52m2 stops Tokyo Haneda Vancouver Intl

10:10 am - 10:30 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

20h 20m2 stops Vancouver Intl Tokyo Haneda

$1,181ANA

Wed, Sep 16 - Mon, Oct 26

12:40 pm - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

21h 52m2 stops Tokyo Haneda Vancouver Intl

10:10 am - 10:30 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

20h 20m2 stops Vancouver Intl Tokyo Haneda

$1,182ANA

Wed, Sep 16 - Mon, Oct 26

1:50 pm - 9:40 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

23h 50m2 stops Taipei City Sung Shan San Francisco

1:30 am - 12:50 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

19h 20m1 stop Taipei City Taiwan Taoyuan Intl

$1,185Multiple Airlines

Sat, Sep 12 - Thu, Sep 24

Cheap last minute flights

Enter your travel dates to find the best prices.

7:40 am - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,177ANA

Fri, Aug 21 - Fri, Aug 28

12:40 pm - 2:25 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

17h 45m1 stop Tokyo Haneda

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,211ANA

Fri, Aug 21 - Fri, Aug 28

7:40 am - 2:25 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 45m1 stop Tokyo Haneda

4:30 pm - 6:35 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

34h 05m1 stop Tokyo Haneda

$1,228ANA

Fri, Aug 21 - Mon, Aug 31

7:40 am - 2:25 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 45m1 stop Tokyo Haneda

4:30 pm - 6:35 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

34h 05m1 stop Tokyo Haneda

$1,230ANA

Fri, Aug 21 - Mon, Aug 31

12:40 pm - 11:26 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 46m2 stops Tokyo Haneda San Francisco

4:30 pm - 6:35 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

34h 05m1 stop Tokyo Haneda

$1,288ANA

Fri, Aug 21 - Mon, Aug 31

12:40 pm - 11:26 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 46m2 stops Tokyo Haneda San Francisco

4:30 pm - 6:35 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

34h 05m1 stop Tokyo Haneda

$1,289ANA

Fri, Aug 21 - Mon, Aug 31

12:40 pm - 11:26 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 46m2 stops Tokyo Haneda San Francisco

4:30 pm - 6:35 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

34h 05m1 stop Tokyo Haneda

$1,392ANA

Fri, Aug 21 - Mon, Aug 31

7:40 am - 6:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

26h 52m2 stops Tokyo Haneda Vancouver Intl

4:30 pm - 11:05 amSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

26h 35m1 stop Tokyo Haneda

$1,422ANA

Thu, Aug 20 - Mon, Aug 24

8:00 am - 4:32 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

24h 32m2 stops Tokyo Haneda Los Angeles

7:11 am - 9:15 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

22h 04m2 stops Los Angeles Tokyo Haneda

$1,433Japan Airlines

Thu, Aug 20 - Mon, Aug 24

8:10 am - 2:22 pmGMP Seoul Gimpo Intl-SEA Seattle/Tacoma Intl

22h 12m2 stops Osaka Kansai Intl Vancouver Intl

10:40 am - 10:25 pmSEA Seattle/Tacoma Intl-GMP Seoul Gimpo Intl

19h 45m2 stops Vancouver Intl Osaka Kansai Intl

$1,443Multiple Airlines

Thu, Aug 20 - Mon, Aug 24

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EVA Air flights from Seoul Gimpo Intl Airport to Seattle

Our best EVA Air deals on Seoul Gimpo Intl Airport to Seattle flight tickets

EVA Air

Oct 2

GMP1:50 pmSeoul Gimpo Intl

21h 30m

1 stop

SEA7:20 pmSeattle/Tacoma Intl

Oct 11

SEA1:30 amSeattle/Tacoma Intl

24h 40m

1 stop

GMP6:10 pmSeoul Gimpo Intl

$1,004

EVA Air

Sep 12

GMP1:50 pmSeoul Gimpo Intl

21h 50m

1 stop

SEA7:40 pmSeattle/Tacoma Intl

Sep 24

SEA12:30 amSeattle/Tacoma Intl

20h 20m

1 stop

GMP12:50 pmSeoul Gimpo Intl

$1,017

ANA flights from Seoul Gimpo Intl Airport to Seattle

Our best ANA deals on Seoul Gimpo Intl Airport to Seattle flight tickets

ANA

Oct 1

GMP12:40 pmSeoul Gimpo Intl

21h 52m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Oct 12

SEA4:30 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,175

ANA

Oct 7

GMP12:40 pmSeoul Gimpo Intl

21h 52m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Oct 22

SEA4:30 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,176

ANA

Aug 21

GMP7:40 amSeoul Gimpo Intl

26h 52m

2 stops

SEA6:32 pmSeattle/Tacoma Intl

Aug 28

SEA4:30 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:05 amSeoul Gimpo Intl

$1,177

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Fri 10/2

1:50 pm-7:20 pm

1 stop21h 30m

Seattle/Tacoma Intl

Sun 10/11

1:30 am-6:10 pm

1 stop24h 40m

$1,004

Quickest round-trip

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Sat 9/12

1:50 pm-7:40 pm

1 stop21h 50m

Seattle/Tacoma Intl

Thu 9/24

12:30 am-12:50 pm

1 stop20h 20m

$1,017

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Thu 10/1

12:40 pm-6:32 pm

2 stops21h 52m

Seattle/Tacoma Intl

Mon 10/12

4:30 pm-11:05 am

1 stop26h 35m

$1,175

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Wed 10/7

12:40 pm-6:32 pm

2 stops21h 52m

Seattle/Tacoma Intl

Thu 10/22

4:30 pm-11:05 am

1 stop26h 35m

$1,176

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Mon 9/21

7:40 am-6:32 pm

2 stops26h 52m

Seattle/Tacoma Intl

Mon 9/28

4:30 pm-11:05 am

1 stop26h 35m

$1,177

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Wed 10/7

12:40 pm-6:32 pm

2 stops21h 52m

Seattle/Tacoma Intl

Thu 10/22

4:30 pm-11:05 am

1 stop26h 35m

$1,178

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Wed 9/16

7:40 am-6:32 pm

2 stops26h 52m

Seattle/Tacoma Intl

Mon 10/26

10:10 am-10:30 pm

2 stops20h 20m

$1,180

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Wed 9/16

12:40 pm-6:32 pm

2 stops21h 52m

Seattle/Tacoma Intl

Mon 10/26

10:10 am-10:30 pm

2 stops20h 20m

$1,181

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Wed 9/16

12:40 pm-6:32 pm

2 stops21h 52m

Seattle/Tacoma Intl

Mon 10/26

10:10 am-10:30 pm

2 stops20h 20m

$1,182

SeoulSeattle

GMP Seoul Gimpo Intl - SEA Seattle/Tacoma Intl

GMPSEA

Seoul Gimpo Intl

Sat 9/12

1:50 pm-9:40 pm

2 stops23h 50m

Seattle/Tacoma Intl

Thu 9/24

1:30 am-12:50 pm

1 stop19h 20m

$1,185

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Seoul Gimpo Intl Airport is on a Monday. momondo users have found tickets for Monday departures for as low as $719. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Wednesday is the most expensive day to depart from Seoul Gimpo Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $920.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Seoul Gimpo Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $760 when looking at flights departing in the afternoon. Flights to Seattle are more costly in the evening, with an average ticket price of $796. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Seoul Gimpo Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Seattle (GMP to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Seattle

Fastest flight time	21h 52m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to Seattle takes 21h 52m

There are no direct flights from Seoul Gimpo Intl Airport to Seattle. There are no popular flight routes from Seoul Gimpo Intl Airport to Seattle.

Search flight deals

Frequently asked questions about flying from Seoul Gimpo Intl Airport to Seattle

How far is Seoul Gimpo Intl to Seattle/Tacoma Intl by plane?
The distance between Seoul Gimpo Intl and Seattle/Tacoma Intl is about 5173.4 mi. In terms of flight time, this usually takes a little over 21h 52m.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Kent

Lynnwood

Redmond

Lakewood

Federal Way

Puyallup

Tukwila

Fife

Cle Elum

Marysville

Kirkland

Centralia

Shoreline

Lacey

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Why should I use momondo to find a flight deal from Seoul to Seattle?

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Can I find flights from Seoul to Seattle with flexible booking policies on momondo?

Flights from Seoul to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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I’m not ready to book a flight from Seoul to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Seoul and alert you when they change.